Suzaka, Nagano (長野県須坂市) – Iwanoyu ryokan (花仙庵仙仁温泉岩の湯) Mixed-gender Cave Bath (男女同浴洞窟風呂) 2024 Nov. 27
We checked out the mixed-gender Cave Bath (男女同浴洞窟風呂) during our stay at Kasenan Seni Onsen Iwanoyu (花仙庵 仙仁温泉岩の湯), a luxury Onsen (hot springs) ryokan located in Suzaka, Nagano Prefecture (長野県須坂市), Japan. Iwanoyu provides swimwear so that guests of all genders can enjoy bathing together in the Cave Bath.